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Finding the Fourth Proportional to 11,793.94, 16,274.46 and 6,689.68

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Solution

The fourth proportional to 11,793.94, 16,274.46 and 6,689.68 is: 9,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.94 : 16,274.46 = 6,689.68 : x
  2. Step 2: Convert to fraction form
    11,793.94/16,274.46 = 6,689.68/x
  3. Step 3: Cross multiply
    11,793.94x = 16,274.46 × 6,689.68
  4. Step 4: Simplify right side
    11,793.94x = 108,870,929.57
  5. Step 5: Solve for x
    x = 108,870,929.57/11,793.94
  6. Step 6: Final answer
    x = 9,231.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.